MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
SHA3-384 hash: a7585d0cd65449422b91f0dbd9f0ecefba3627f12a659a89aad5ba46dde223df7a1d993d03a0d4509ae49f12ed9285cf
SHA1 hash: 6c3bcd2f65a1c1f57501a28a956d7030bcfa7c29
MD5 hash: cc4b5436e2c0b900cb41a8b4d3770674
humanhash: louisiana-april-charlie-social
File name:invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:586'240 bytes
First seen:2023-07-10 07:42:34 UTC
Last seen:2023-07-10 07:42:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:4reLLTw/BCPytOH2PWpAaMYtdHfA41iaWWPAmpIKSiInYgQL7:zT+A2epAaMYvIaW3mi5RQn
TLSH T13BC40212656AF773CC1C0EFC1045948523E89A59AC78EB5C8CA38CDA8AB5FF504EC6D7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/413394/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29872.4725.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook masquerade packed
Link:
https://www.filescan.io/uploads/64abb6889bd9f933fbb9367c/reports/a908337e-5535-4e4f-befa-38f50ec08e06/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b7b065f-30c5-4c29-8739-6f3dbe6bcc28
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1270333
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1270333 Sample: invoice.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 5 other signatures 2->66 7 invoice.exe 7 2->7         started        11 sTLwKA.exe 5 2->11         started        13 WVJFKu.exe 3 2->13         started        15 sTLwKA.exe 2->15         started        process3 file4 40 C:\Users\user\AppData\Roaming\WVJFKu.exe, PE32 7->40 dropped 42 C:\Users\user\...\WVJFKu.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp3D22.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...\invoice.exe.log, ASCII 7->46 dropped 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 May check the online IP address of the machine 7->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 88 2 other signatures 7->88 17 invoice.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        82 Antivirus detection for dropped file 11->82 84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 26 sTLwKA.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 48 mail.kbakr.com 162.241.27.28, 49706, 49709, 49711 UNIFIEDLAYER-AS-1US United States 17->48 50 api4.ipify.org 173.231.16.76, 443, 49705 WEBNXUS United States 17->50 52 api.ipify.org 17->52 36 C:\Users\user\AppData\Roaming\...\sTLwKA.exe, PE32 17->36 dropped 38 C:\Users\user\...\sTLwKA.exe:Zone.Identifier, ASCII 17->38 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Tries to steal Mail credentials (via file / registry access) 17->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->72 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        54 104.237.62.211, 443, 49710 WEBNXUS United States 26->54 56 192.168.2.1 unknown unknown 26->56 58 api.ipify.org 26->58 74 Tries to harvest and steal browser information (history, passwords, etc) 26->74 34 conhost.exe 28->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-10 06:23:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 37 (72.97%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oh4joapkmznlikof7k5zd6eqkpfbmw74jcnvjwld47cm7ozthdzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230710-jj8zmsaa7s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
4530db168f0ca1290ed26fd6fc95ee72837620736efb942e824bea19e8278277
MD5 hash:
c28653322a9b389f3c10d59a581ae704
SHA1 hash:
b47218e9ca12ec1d283af76b52d599f0b2d9e0d3
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
a8d1fa3688c1342db63eb8986b1f179d883c620a2931f5e1b425aa7568ef97a0
MD5 hash:
794de3eb821f9696c4e6143e61e20f89
SHA1 hash:
50c207d962380b8fd39544f8f18e6b06ed126efd
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
MD5 hash:
9cfc7c44a69192df1a21df04e48e8eb3
SHA1 hash:
1d90e31aef69665afbdf8a91234df4d930e731bc
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
Parent samples :
71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
SH256 hash:
4530db168f0ca1290ed26fd6fc95ee72837620736efb942e824bea19e8278277
MD5 hash:
c28653322a9b389f3c10d59a581ae704
SHA1 hash:
b47218e9ca12ec1d283af76b52d599f0b2d9e0d3
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
a8d1fa3688c1342db63eb8986b1f179d883c620a2931f5e1b425aa7568ef97a0
MD5 hash:
794de3eb821f9696c4e6143e61e20f89
SHA1 hash:
50c207d962380b8fd39544f8f18e6b06ed126efd
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
MD5 hash:
9cfc7c44a69192df1a21df04e48e8eb3
SHA1 hash:
1d90e31aef69665afbdf8a91234df4d930e731bc
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
Parent samples :
71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
SH256 hash:
4530db168f0ca1290ed26fd6fc95ee72837620736efb942e824bea19e8278277
MD5 hash:
c28653322a9b389f3c10d59a581ae704
SHA1 hash:
b47218e9ca12ec1d283af76b52d599f0b2d9e0d3
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
a8d1fa3688c1342db63eb8986b1f179d883c620a2931f5e1b425aa7568ef97a0
MD5 hash:
794de3eb821f9696c4e6143e61e20f89
SHA1 hash:
50c207d962380b8fd39544f8f18e6b06ed126efd
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
4530db168f0ca1290ed26fd6fc95ee72837620736efb942e824bea19e8278277
MD5 hash:
c28653322a9b389f3c10d59a581ae704
SHA1 hash:
b47218e9ca12ec1d283af76b52d599f0b2d9e0d3
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
MD5 hash:
9cfc7c44a69192df1a21df04e48e8eb3
SHA1 hash:
1d90e31aef69665afbdf8a91234df4d930e731bc
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
Parent samples :
71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
a8d1fa3688c1342db63eb8986b1f179d883c620a2931f5e1b425aa7568ef97a0
MD5 hash:
794de3eb821f9696c4e6143e61e20f89
SHA1 hash:
50c207d962380b8fd39544f8f18e6b06ed126efd
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
SH256 hash:
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
MD5 hash:
9cfc7c44a69192df1a21df04e48e8eb3
SHA1 hash:
1d90e31aef69665afbdf8a91234df4d930e731bc
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
Parent samples :
71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
1423a5d778e4db72f847f8841bb1dc04babace000a2ac3047ec1b8403d797db7
SH256 hash:
71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3
MD5 hash:
cc4b5436e2c0b900cb41a8b4d3770674
SHA1 hash:
6c3bcd2f65a1c1f57501a28a956d7030bcfa7c29
Link:
https://www.unpac.me/results/60b6c288-abbe-46c0-9d87-ea28bf4b5b4e/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71f89701ea66/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 7d3dfee679c7ced6127f994bf1fd2686b416e730ce52eeab3e7a7a63a494d242

AgentTesla

Executable exe 71f89701ea665ab429c5fabb91f89053ca165bfc489b54d963e7c4cfbb3338f3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7d3dfee679c7ced6127f994bf1fd2686b416e730ce52eeab3e7a7a63a494d242
  
Dropped by
SHA256 f001558e465e5423a5a84efd37713c76bfa63078c5e6acff852cb00a3a4532b3
Cape
Cape
https://www.capesandbox.com/analysis/413394/
  
Dropped by
MD5 bac19b69fbae23262eaba45bdb8960f6
  
Dropped by
MD5 ef9b0fa53c151c1377d31518cebb31ca

Comments